【单选题】
This is no time to moralize ______ the follies of countries which have allowed themselves to be struck down one by one.
【单选题】
It will___________ you two days to get there on foot.
【单选题】
5.Nobody would believe his words though he said he was ______ of the crime.
【单选题】
There can be no ( ) understanding without communication between people.
【单选题】
Dave ____ into the house without ____ out by his parents.
【单选题】
It was strange _______ she left without saying a word.
【单选题】
One of my ____ sentences is: there is no smoke without fire.
【单选题】
Man________die without air or water.
【单选题】
How difficult it is ______ the modern world without oil.
【单选题】
15.Man _____ die without air or water.